Register Indirect Addressing
Just as register addressing is analogous to direct addressing, register indirect addressing is analogous to indirect addressing. In both cases, the only difference is whether the address field refers to a memory location or a register.Thus,for register indirect address, EAR) The advantages and limitations of register indirect addressing are basically the same as for indirect addressing. In both cases, the address space limitation (limited range of addresses) of the address field is overcome by having that field refer to a word-length location containing an address. In addition, register indirect addressing uses one less memory reference than indirect addressing.
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